CVE-2026-15475
MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jul 12, 2026
- Updated
- Jul 13, 2026
- Reserved
- Jul 11, 2026
Description
A weakness has been identified in MiniTool Partition Wizard up to 13.6. The affected element is an unknown function in the library pwdrvio.sys of the component Signed Kernel Driver. This manipulation causes improper access controls. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. Upgrading to version 13.9 is sufficient to fix this issue. The affected component should be upgraded. The vendor was contacted early about this disclosure.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Partition WizardMiniTool |
|
References
- VDB-377780 | MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access controlvdb-entry
- VDB-377780 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-15475 | CVE Analysis and Reportthird-party-advisory
- Submit #833842 | MiniTool MiniTool Partition Wizard 13.6 Local Privilege Escapationthird-party-advisory
- https://winslow1984.com/books/cve-collection/page/minitool-partition-wizard-kernel-driver-pwdrviosys-local-privilege-escalationexploit
- https://www.minitool.com/partition-manager/upgrade-history.htmlpatch
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